Effectsofmagneticfieldonmethaneexplosionanditspropagation

YE Qing; LIN Bai-quan; JIAN Cong-guang; JIA Zhen-zhen

doi:10.11883/1001-1455(2011)02-0153-05

Volume 31 Issue 2

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YE Qing, LIN Bai-quan, JIAN Cong-guang, JIA Zhen-zhen. Effectsofmagneticfieldonmethaneexplosionanditspropagation[J]. Explosion And Shock Waves, 2011, 31(2): 153-157. doi: 10.11883/1001-1455(2011)02-0153-05

Citation:

YE Qing, LIN Bai-quan, JIAN Cong-guang, JIA Zhen-zhen. Effectsofmagneticfieldonmethaneexplosionanditspropagation[J]. Explosion And Shock Waves, 2011, 31(2): 153-157. doi: 10.11883/1001-1455(2011)02-0153-05

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Effectsofmagneticfieldonmethaneexplosionanditspropagation

doi: 10.11883/1001-1455(2011)02-0153-05

1.
HunanProvinceKeyLaboratoryofSafety MiningandTechnologyofCoalMine,
2.
HunanUniversityofScienceandTechnology,Xiangtan 411201,Hunan,China;
3.
StateKeyLaboratoryofCoalResourceandSafeMining,

Funds:

NationalNaturalScienceFoundationofChina(51004048)

NationalBasicResearchProgramofChina(973Program)(2005cb221506)

More Information

Corresponding author: YE Qing
Publish Date: 2011-03-25

Abstract

Abstract

Tomastertheeffectofthemagneticfieldsproducedbythegiantmechanicalandelectricalequipmentsincoalminesonmethaneexplosion, experimentalinvestigationswereconductedtoexplore theinfluencesofthemagneticfieldsonexplosionwavepressureandflamepropagationvelocityof methaneexplosion.Andtheoreticalanalysiswascarriedouttodiscusstheeffectofthemagneticfields onheattransportation,masstransportationandreactionprocessofmethaneexplosionanditspropagation. Itshowsthatthemagneticfieldcanenhancemethaneexplosionintensityandincreaseflame propagationvelocity,explosionpressure.Themorethemagneticfieldintensity,themoremarkedly themagneticfieldaffectsmethaneexplosion.Themagneticfieldscanincreaseturbulencebyincreasingmasstransferaction, heattransferaction,convectioneffects,diffusioncoefficientandentropyof thereactionsystem,sothemagneticfieldscanincreaseflamecombustionvelocity,flamepropagation velocity,releasemoreenergyandincreaseshockwaveenergy,andthenpromotethemethaneexplosionanditspropagation.
- mechanicsofexplosion,
- explosionintensity,
- magneticfield,
- methaneexplosion,
- heat transportation,
- masstransportation,
- entropy